[#BloombergLP-bslfmt-basic_format_parse_context-advance_to]
= xref:BloombergLP.adoc[BloombergLP]::xref:BloombergLP/bslfmt.adoc[bslfmt]::xref:BloombergLP/bslfmt/basic_format_parse_context.adoc[basic_format_parse_context]::advance_to
:relfileprefix: ../../../
:mrdocs:

Update the held iterator to the unparsed portion of the format string to be the specified `it`. Subsequent calls to `begin` will return this value. The behavior is undefined unless `it` is a valid iterator to the format string used in construction of this context.

== Synopsis

Declared in `<bslfmt_formatparsecontext.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
constexpr
void
advance_to(xref:BloombergLP/bslfmt/basic_format_parse_context/const_iterator.adoc[const_iterator] it);
----


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